<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		 <script>
		        var  arrs=[1,2,3,4,5,6,7,8,9];
		        arrs.splice(arrs.indexOf(3),1);
		        arrs.splice(arrs.indexOf(5),1);
		        arrs.splice(arrs.indexOf(7),1); 
		        alert(arrs);
		       
		     
		
		    </script>
	</body>
</html>
